Steam-generator.



No. 809,889. PATENTED JAN. 9, 1906.

J. w. PAYNE.

STEAM GENERATOR.

APPLIGATION nun JULY 20.1903,

L azljfor UNITED STATES PATENT OFFICE.

JOHN \VILLIAM PAYNE, OF ALEXANDRIA BAY, NEW YORK, ASSIGNOR OF ONE-THIRDTO GORI-IAM LYLE OLDS, OF ALEXANDRIA BAY,

NEW YORK.

STEAM-GENERATOR.

Specification of Letters Patent.

Patented Jan. 9, 1906.

Application filed July 20,1903. Serial No, 166.352.

To all whom it may concern.-

Be it known that I, JOHN WILLIAM PAYNE, a citizen of the United States,residing at Alexandria Bay, in the county of Jefferson and State of NewYork, have invented a new and useful Steam-Generator, of which thefollowing is a specification.

This invention relates to improvements in I steam-generators, and hasfor its principal object to provide a novel form of flasher by means ofwhich steam may be generated instantaneously.

. ployed A further object of the invention is to provide a form offlasher in which the walls of the steam-generating vessel or chamber arearranged on lines substantially parallel with the outer lines of adiverging jet or stream of lir uid.

A still further object of the invention is to provide a novel andeffective means for governing the pressure of the steanrgenerator and inso doing regulate the speed and horsepower of an engine driven by thesteam pressure.

With these and other objects in view, as will more fully hereinafterappear, the invention consists in certain novel features of constructionand arrangement of parts hereinafter fully described, illustrated in theaccompanying drawings, and particularly pointed out in the appendedclaims, it being understood that various changes in the form,proportions, size, and minor details of the structure may be madewithout departing from the spirit or sacrificing any of the advantagesof the invention.

In the accompanying drawings, Figure 1 is a sectional elevation of asteamchamber forming a part of the steam-chest of an engine, showing aflasher constructed in accord ance with the invention. Fig. 2 is asectional plan view of the flasher detached.

Similar numerals of reference are emto indicate corresponding partsthroughout both figures of the drawings.

In the drawings there is shown a casing 5, which may form a part of orbe connected to the steam-chest of an engine, said casing being providedwith upper and lower boltingflanges. This casing contains aninstantaneous steam-generator 6, being one of that class of devicesgenerally known in the art as flashers, wherein small quantities ofwater or other fluid are injected into a heated vessel'generating-chamber or against a heated surface and instantly flashedinto steam.

The flasher forming the subject of the present invention.comprises asubstantially bowl-shaped body formed of a material which will ofl erhigh resistance to the passage of an electric current and when used asan electrical conductor will become highly heated, so that water orother fluid injected thereinto will be instantly converted into vapor.The vessel is provided with a pair of diametrically-opposed lugs 7, towhich are connected the terminals of current-conductors 8, passingthrough insulating-sleeves 9 in the opposite side walls of the casing 5.The conical inner Wall 7 and the conical outer walls 8 of the flasher 6are arranged on lines which gradually diverge from an upper centralpoint to the lower outer portion of the bowl, the inner and outer wallsbeing connected at their lower ends by a curved bottom 10, and the Wholesurface being perforated in order that any steam which may be formed mayinstantly escape to the interior of the casing 5 and the steam-chest ofthe engine or other point where the steam is to be utilized.

To the top of the casing 5 is bolted a watercontaining chamber 10, whichis placed in communication with the interior of the casing 5 by acentral opening 11, formed in the top of the latter, the opening beingso arranged as to deliver a jet or spray of water, the out lines ofwhich conform approximately to the lines of the bowl, the inner walls ofthe latter and the outer lines of the jet being practically parallel sothat heat is conducted by radiation to tie jet until said jet strikesagainst the bottom of the bowl. In some cases portions of the liquidwill be deflected against the walls of the bowl by the steanr generated;but as the water in the upper chamber is highly heated by the steam inthe before entering the lat ter it will be found that the entering jetwill for the most part assume the form of a vapor before it actuallymakes contact with the walls of the bowl, thus avoiding liability ofdamage to the latter.

The opening 11 is provided with a valveseat 12 for the reception of avalve carried by or forming part of a vertically-movable stem 13, whichis guided in an opening formed in a bracket 14, carried by the top ofthe casing 5 and this portion of the casing is further pro vi ded with abracket or standard 15, carrying a pm 16, on which is fulcrumed a lever17.

The lever is pivotally connected at one end to f the valve-stem 13 andat its opposite end is similarly connected to a plunger-rod 18, passingthrough a suitable guiding-opening in the top of the chamber 5 andconnected at its lower end to a plunger 19, arranged within anopen-bottom cylinder 20,which may form a part of the casing 5, saidplunger being provided with packing-rings and having its lower surfaceexposed to the pressure of steam in the generatingchamber, so that ifthe pressure is excessive the plunger will be raised and the valve-stem13 lowered to reduce the quantity of water forced into thegenerating-chamber, and thus reduce the quantity and pressure of steam.

Immediately over the top of the plungerrod 18 is a pin 21, passingthrough a guidingopening in the top of the casing 10 and extending intoa hollow boss 22, forming a part of said casing, the bore of the bossbeing provided with an internal screw-thread to receive an adjustableplug 23, having a handwheel 2-41. The upper end of the pin 21 is guidedin a suitable opening in the plug 23, and at a point intermediate of itslength said. pin is provided with a flange or collar 25, against whichbears one end of a helical compression-spring 26, the upper end of whichbears against the lower face of the plug 23,

and by turning the plug in one direction or the other the stress of thespring may be adjusted in order to regulate the pressure under which theplunger 19 becomes operative, the spring resisting upward movement ofthe plunger and serving to return the latter to its lowest position asthe pressure within the steam-generating chamber is decreased, and thusopen the water-supply passage in order that an increased quantity ofsteam may be manufactured.

Immediately above the valve-stem 13 is a pin 30, guided through suitableopenings in the top of the casing 10, and its upper end being arrangedimmediately below a cam 31, carried by or forming part of athrottle-lever 32, fulcrumed at 33 to a bracket or standard on top ofthe casing. The outer portion of the tlnottle-lever passes through aslotted. segmental guide 34 and is provided with a terminaloperating-handle 35, so that when necessary the handle may be raised andthe cam forced against the pin 30, to thereby d 0- press the valve-stem13 and shut off the flow of water to the generating-chamber, or bylowering said handle the spring 28 may be allowed to act to raise thevalve-stem and. start the operation of the mechanism.

I-l aving thus described the invention, what I claim is 1. In asteam-generator, a flasher, comprising a substantially conical bowlhaving inne and outer conical walls, the lower ends of which areconnected, the distance between said walls gradually decreasing toward.the contracted open top of the bowl, said walls being provided withperforations, and means for spraying water into the bowl.

2. In a device of the class specified, a steamchamber, a flashertherein, a water-chamber having a ported communication with thesteam-chamber, a valve for the port, a plunger exposed to thesteam-pressure, means connecting the valve and plunger, means forregulating operative movement of the plunger, a throttle-lever, and acam carried by the throttle-lever and adapted to close the valve to stopthe flow of water to the steam-chamber.

In testimony that I claim the foregoing as my own I have hereto allixedmy signature in the presence of two witnesses.

JOHN WILLIAM PAYNE.

Witnesses:

A. RAYMOND CORNWALL, JOHN BOLTON.

